FAX CNG detected but no fax extension

@smokey7722 wrote:

So I was able to get FreePBX, Vitelity and a Cisco 9971 mostly working thanks to some awesome posts here in the forums. Right now I am moving on to the next step which was to take my previously configured and functional SPA112 (configured directly to Vitelity) and move it to work under FreePBX. The SPA112 is being used as an ATA to supply a fax machine with the line it needs to function. I have Line 1 of it still configured directly to Vitelity and that works fine when I route calls to that subaccount but when I try to run it through Line 2 and route calls through FreePBX I get the following error.

[2016-06-23 15:09:36] VERBOSE[25315][C-00000046] app_dial.c: Called SIP/1001
[2016-06-23 15:09:36] VERBOSE[25315][C-00000046] app_dial.c: SIP/1001-0000005a is ringing
[2016-06-23 15:09:41] NOTICE[25315][C-00000046] chan_sip.c: FAX CNG detected but no fax extension
[2016-06-23 15:09:41] NOTICE[25315][C-00000046] res_fax.c: FAX CNG detected but no fax extension in context (ext-group)

Based on that I know that fax detection is working correctly. When configuring FreePBX, I did the following:

1) Created a new CHAN_PJSIP extension for the SPA112 to connect to (1005)
2) Modified my incoming route options to Detect Faxes via SIP and send them to extension 1005 previously created.
3) In Asterisk SIP Settings -> SIP Settings -> Chan SIP Settings -> Advanced General Settigngs I added faxdetect=yes

If I recall there was another place to enable T38 but I did do that as well.

The question I have is what steps did I possibly miss? I don't see a way to create an extension that is specifically defined as a fax extension or any flags to switch when creating an extension for it. I can go to the Fax settings under a user but that doesn't look like that affects anything for an ATA configuration, it looks like that would be used for digital configurations faxing without a physical fax machine.

Thanks for any help!

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